GeForce 840A and HD Graphics 520 - video card comparison
Passmark - benchmark score GeForce 840A vs HD Graphics 520
GeForce 840A
1214
HD Graphics 520
856
GeForce 840A
HD Graphics 520
Architecture
Maxwell (2014−2018)
Gen. 9 Skylake (2015−2016)
GPU code name
GM108
Skylake GT2
Market segment
Desktop
Laptop
Release date
March 2014
September 2015
Interface
PCIe 3.0 x8
PCIe 3.0 x1
Boost clock speed
1124 MHz
1050 MHz
Core clock speed
1029 MHz
300 MHz
Floating-point performance
863.2 gflops
-
Manufacturing process technology
28 nm
14 nm
Number of transistors
-
189 million
Pipelines / CUDA cores
384
24
Power consumption (TDP)
33 Watt
15 Watt
Texture fill rate
17.98
25.20
Memory type
DDR3
DDR3L/LPDDR3/DDR4
Maximum RAM amount
2 GB
32 GB
Memory bus width
64 Bit
64/128 Bit
Memory clock speed
2002 MHz
System Shared
Memory bandwidth
16.02 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_1)
CUDA
5.0
-
OpenCL
1.2
2.1
OpenGL
4.6
4.6
Shader Model
5.1
6.4
Vulkan
1.1.126
+
Quick Sync
-
+